{"instruction": "You are an expert in event extraction. Please extract events from the input that conform to the schema definition. Return an empty list for events that do not exist, and return NAN for arguments that do not exist. If an argument has multiple values, please return a list. Respond in the format of a JSON string.", "schema": [{"event_type": "potential therapeutic event", "trigger": true, "arguments": ["Treatment", "Treatment.Route", "Treatment.Disorder", "Treatment.Drug", "Treatment.Time_elapsed", "Combination.Drug", "Subject.Disorder", "Treatment.Freq", "Subject.Population", "Subject.Gender", "Subject.Age", "Subject.Race", "Treatment.Dosage"]}, {"event_type": "adverse event", "trigger": true, "arguments": ["Treatment.Time_elapsed", "Subject.Disorder", "Treatment.Route", "Treatment", "Treatment.Drug", "Treatment.Duration", "Subject.Age", "Treatment.Freq", "Combination.Drug", "Subject.Population", "Subject.Race", "Subject.Gender", "Treatment.Dosage", "Effect", "Subject", "Treatment.Disorder"]}], "input": "BACKGROUND: Interferon (IFN)-associated retinopathy is typically characterized by retinal hemorrhages and cotton wool spots at the posterior fundus, but visual function is usually maintained."}
{"potential therapeutic event": [], "adverse event": [{"trigger": "associated ", "arguments": {"Treatment.Time_elapsed": "NAN", "Subject.Disorder": "NAN", "Treatment.Route": "NAN", "Treatment": "Interferon (IFN)", "Treatment.Drug": "Interferon", "Treatment.Duration": "NAN", "Subject.Age": "NAN", "Treatment.Freq": "NAN", "Combination.Drug": "NAN", "Subject.Population": "NAN", "Subject.Race": "NAN", "Subject.Gender": "NAN", "Treatment.Dosage": "NAN", "Effect": "retinopathy is typically characterized by retinal hemorrhages and cotton wool spots at the posterior fundus", "Subject": "NAN", "Treatment.Disorder": "NAN"}}]}